Challenge 2.0

challenge2-0-Result.xml

<![CDATA[<div class="post">
<p>Текст</p>
<div>
<div><span><b><i>]]><ya user="nop"></ya><![CDATA[</i></b></span></div>
</div>
</div>]]>

challenge2-0-Source.xml

<div class="post">
    <p>Текст</p>
    <div>
        <div>
            <span>
                <b>
                    <i>
                        <ya user="nop"/>
                    </i>
                </b>
            </span>
        </div>
    </div>
</div>

challenge2-0.xsl

<xsl:stylesheet version="1.0"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
	<xsl:output method="html" indent="yes"/>
    <xsl:template match="div[@class='post']">
        <xsl:text disable-output-escaping="yes">&lt;![CDATA[</xsl:text>
        <xsl:call-template name="identity"/>
        <xsl:text disable-output-escaping="yes">]]&gt;</xsl:text>
    </xsl:template>
    <xsl:template match="node() | @*" name="identity">
        <xsl:copy>
            <xsl:apply-templates select="node() | @*"/>
        </xsl:copy>
    </xsl:template>
    <xsl:template match="*[starts-with(name(),'ya')]">
        <xsl:text disable-output-escaping="yes">]]&gt;</xsl:text>
        <xsl:copy-of select="."/>
        <xsl:text disable-output-escaping="yes">&lt;![CDATA[</xsl:text>
    </xsl:template>
</xsl:stylesheet>